DNV GL Water Assessment

Water Calculation Tool for the Textile Wet Processing Sector

Section 1 - Background Information

Instructions:

Enter a response to questions 1.1 through to 1.10 in the boxes provided. Select from a drop-down list where indicated by "Select an option".

Form - Step 1 of 3

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Introduction

Company Name *

Country *

Address *

Email *

Company Size *

Large more than 250 employees, Small and Medium less than 250 employees

Main end use of your Products *

Typical production: Timescale *

Value (t) *

Annual Production (t)

Textile production mode *

Select material form *

Select fibre type *

Select the processes that will be reported:

Desizing

Scouring

Bleaching

Mercerizing

Dyeing

Printing

Finishing

Select where the majority of water is sourced from *

Is any water currently recicled within the operation?

If yes, provide details

Water Data

Number of working days per year *

2.2 - WATER USE FOR WASH CYCLES (IF SEPARATE)

Select the time period

Desizing Scouring Bleaching Mercerizing Dyeing Printing Finishing

Material processed (kg)

Material processed (kg/yr)

Number of pre-washes

Water use per wash (l)

Water use (l/yr)

Number of back-washes

Water use per wash (l)

Water use (l/yr)

Total wash water (l/yr)

2.3 - ACTUAL PROCESS DATA - MEASURED WATER USE (EXCLUDING WASH CYCLES)

Select the time period

Desizing Scouring Bleaching Mercerizing Dyeing Printing Finishing

Material processed (kg)

Material processed (kg/yr)

Process water use (l)

Water use (l/yr)

2.4 - ESTIMATED - PER BATCH (EXCLUDING WASH CYCLES)

TO BE ASWERED ONLY IF COMPANY DOES NOT HAVE DATA TO COMPLETE SECTION 2.3

Desizing Scouring Bleaching Mercerizing Dyeing Printing Finishing

Material per batch (kg)

Number of batches per day

Material processed (kg/yr)

Process water per batch (l)

Water use (l/yr)

2.5 - ESTIMATED - BY FLOW RATE FOR CONTINUOUS PROCESS (EXCLUDING WASH CYCLES)

TO BE ASWERED ONLY IF COMPANY DOES NOT HAVE DATA TO COMPLETE SECTION 2.3

Desizing Scouring Bleaching Mercerizing Dyeing Printing Finishing

Material processed per hr (kg)

Water input per hr (l)

Hours of operation per day

Material processed per year (kg)

Water input per year (l)

2.6 - ESTIMATED - BY LIQUOR RATIO (EXCLUDING WASH CYCLES)

TO BE ASWERED ONLY IF COMPANY DOES NOT HAVE DATA TO COMPLETE SECTION 2.3

Select the time period

Desizing Scouring Bleaching Mercerizing Dyeing Printing Finishing

Material processed (kgs)

Material processed per year (kg)

Liquor ratio of process (material:liquor)

Estimated water (l)

Chemicals & Discharge

Process

Discharge volume (l/kg fabric) Details of composition:
Compounds present and concentrations (mg/l) Where is this discharged to?

Desizing

Scouring

Bleaching

Mercerizing

Dyeing

Printing

Finishing

If you have any comment/suggestion, please write it in the box below:

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Water Calculation Tool for the Textile Wet Processing Sector

Section 1 - Background Information

Section 2 - Data Input

Introduction

Water Data

Chemicals & Discharge